Software Developer – Insider Testinium Tech Hub Cooperation (Fresh Grad / Junior)

Before we talk about the role and what we are looking for, let us tell you who we are. About Insider Insider is a B2B SaaS company that helps global brands grow by creating better customer experiences — at scale. What makes us different? We are the world’s  #1 AI-native Customer Experience and Marketing Platform . Our platform helps marketers build personalized journeys, grow their business, and work more efficiently — all in one tool.We recently raised  $500M in Series E funding , led by General Atlantic. Before that, we became a  unicorn  (a startup valued over $1 billion), and one of the few  woman-led B2B SaaS unicorns  in the world. Today, we are backed by investors like  Sequoia Capital ,  QIA ,  Riverwood , and  Endeavor Catalyst . Over  1,200 global brands  trust us — including  Samsung ,  Coca-Cola ,  IKEA ,  Nike , and  Virgin , as well as fast-growing startups. We’ve been recognized as a  Leader  by Forrester and IDC and listed among  G2’s Top 1% software companies in the world , ranking #1 in many categories like Customer Data Platforms, Personalization Engines, and Mobile Marketing. But our story is not just about numbers! We are also proud of the  global community  we have built. With programs like  SheCodes ,  SheLeads , and  SheMarkables , we support education, sustainability, and inclusion across  27+ countries . At Insider, we move fast, solve real problems, and build with purpose. About Testinium Tech Hub : Testinium is our trusted partner in  software quality and testing . They offer an open-source-based, enterprise-ready platform for test automation on  web, mobile, and desktop . Their headquarters is in  Istanbul , with offices in  Amsterdam, London, and Berlin . Testinium is now the  largest software testing company in Europe and the MENA region , with  950+ employees  and  350+ projects . They work with many respected companies in  finance ,  telecom , and  e-commerce, like  ING ,  Allianz ,  PepsiCo ,  Turkcell ,  N11 , and  Udemy What team will you join? You’ll join our  Optimus team  as a  Software Developer . Optimus (Partner Support Development Team) provides technical support behind the scenes. We solve problems, keep our platform running smoothly, and make sure our partners have the best experience. We work fast, solve complex issues, and focus on both product and partner success. In SaaS, partner support means high-quality service — and that’s what  Optimus delivers .

What you will do as a Software Developer :

• Provide technical support to 800+ global partners using  JavaScript, HTML, CSS , and  Go
• Fix complex issues on partner websites
• Join meetings with international clients and give live support when needed
• Build user-friendly and high-performance web apps
• Take action to prevent future technical problems
• Work with other teams to ensure smooth processes
• Prioritize tasks based on urgency and partner needs
• Get hands-on experience with , ,  React , and  Go
• Work in a fast-paced and agile environment

What we are looking for :

What we offer you :

Before you apply : We believe the best ideas come from  diverse teams . At Insider, we offer a  zero-discrimination  workplace. Whoever you are and wherever you come from — you are  welcome here . Want to know more about us? Follow Insider on , , , and . Ready to take the next step in your career? Apply now and join our journey.